Aktivitäten und Erfolge von Glaeser, Georg o. Univ.-Prof. Mag.rer.nat. Dr.techn.

Vorträge

Titel der Veranstaltung: 12. Scientific Professional Colloquium of CSGG
VeranstalterIn: Croatia Society for Geometry and Graphics
Titel des Vortrags: Virtual spaces in Photography (selected presenter)
Zeitraum: 16.09.2007 bis 20.09.2007
Beschreibung: Photography literally means to depict light. In geometry, light rays are simply intersected with a projection plane, and idealized photography is considered as a simple central projection. Instead, we define photographic projection in a quite different manner: The Space in front of the camera is transformed via a complex lens system into a virtual 3D-space collinear to Euclidean space by means of a socalled Elation. Light rays are split up and bundled again in space points and image points, and we can represent them as “conic fibers” through the diaphragm of the lens system. The art of photography is now to create the best possible cross section of this virtual fiber space. This unusual concept allows to explain perceptions like blurring, focal length of lens systems, depth of sharpness etc. in a quite natural way.
URL: http://www.grad.hr/sgorjanc/vukovar/abstracts.pdf
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